diff --git a/examples/rust/examples/maker/maker.rs b/examples/rust/examples/maker/maker.rs
index b217a8a..e0f75e5 100644
--- a/examples/rust/examples/maker/maker.rs
+++ b/examples/rust/examples/maker/maker.rs
@@ -249,7 +249,7 @@ async fn run<P: JsonRpcClient + 'static>(
                         }
 
                         let chain_id: U256 = quote.chain_id.clone().unwrap().into();
-                        if chain_id != U256::from(421613_u64) || chain_id != U256::from(31337_u64) {
+                        if chain_id != U256::from(421613_u64) && chain_id != U256::from(31337_u64) {
                             warn!("RFQ request was not on the testnet chain. Ignoring the request");
                             continue;
                         }